:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --red: #aa111b;
  --red-dark: #65070d;
  --red-black: #240304;
  --gold: #f1cb76;
  --gold-dark: #a76d22;
  --cream: #fff0ca;
  --ink: #32130f;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #170101;
  color: var(--cream);
  font-family: "Trebuchet MS", "Avenir Next", Arial, sans-serif;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

button { font: inherit; }
button:focus-visible { outline: 3px solid #fff0b0; outline-offset: 3px; }

#gameShell {
  position: relative;
  width: min(100vw, 680px);
  height: 100vh;
  height: 100svh;
  min-height: 520px;
  margin: 0 auto;
  overflow: hidden;
  isolation: isolate;
  background: #741016;
  box-shadow: 0 0 70px rgba(0,0,0,.72);
}

.atelier-bg {
  position: absolute;
  z-index: -3;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.scene-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 48%, transparent 25%, rgba(34,0,1,.1) 65%, rgba(20,0,1,.55) 100%),
    linear-gradient(180deg, rgba(23,0,1,.52), transparent 25%, transparent 70%, rgba(28,0,1,.58));
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  padding:
    calc(max(5.5vh, 28px) + var(--safe-top))
    calc(max(5vw, 20px) + var(--safe-right))
    calc(max(4vh, 22px) + var(--safe-bottom))
    calc(max(5vw, 20px) + var(--safe-left));
}

.screen.active { display: flex; animation: screen-in .48s cubic-bezier(.2,.76,.28,1) both; }

@keyframes screen-in {
  from { opacity: 0; transform: scale(1.025); }
  to { opacity: 1; transform: none; }
}

.home-header {
  min-height: 72px;
  display: grid;
  grid-template-columns: 52px 1fr 44px;
  align-items: center;
  gap: 12px;
}

.seal-mark,
.loading-seal {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #d42a2e, #79070d);
  border: 2px solid var(--gold);
  box-shadow: inset 0 0 0 2px rgba(255,220,135,.22), 0 7px 14px rgba(27,0,0,.38);
  color: #ffe19a;
  font: 30px "STSong", "Songti SC", serif;
  transform: rotate(-3deg);
}

.title-lockup p,
.title-lockup h1,
.title-lockup span { margin: 0; }
.title-lockup p { color: var(--gold); font-size: 10px; letter-spacing: .26em; }
.title-lockup h1 { margin-top: 3px; font: 700 clamp(24px, 6.7vw, 38px)/1 Georgia, serif; letter-spacing: .04em; text-shadow: 0 3px 12px rgba(0,0,0,.52); }
.title-lockup span { display: block; margin-top: 5px; color: rgba(255,237,196,.7); font-size: 9px; letter-spacing: .13em; }

.round-button {
  width: 43px;
  height: 43px;
  border-radius: 50%;
  border: 1px solid rgba(246,205,116,.48);
  background: rgba(61,3,5,.62);
  color: var(--gold);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: inset 0 0 10px rgba(247,199,89,.1);
}

.round-button.muted { color: rgba(255,231,174,.38); }

.hero-art {
  position: relative;
  flex: 1 1 auto;
  min-height: 205px;
  display: grid;
  place-items: center;
}

.hero-aura {
  position: absolute;
  width: min(71vw, 440px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,219,125,.32), rgba(245,156,44,.05) 58%, transparent 72%);
  filter: blur(8px);
  animation: aura 3.4s ease-in-out infinite;
}

@keyframes aura { 50% { transform: scale(1.06); opacity: .78; } }

.hero-art img {
  position: relative;
  z-index: 1;
  width: min(66vw, 405px);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid rgba(255,220,135,.62);
  box-shadow: 0 18px 34px rgba(26,0,1,.48), 0 0 0 7px rgba(91,5,7,.25);
  animation: hero-float 5s ease-in-out infinite;
}

@keyframes hero-float { 50% { transform: translateY(-7px) rotate(.6deg); } }

.hero-caption {
  position: absolute;
  z-index: 2;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 168px;
  padding: 8px 18px 9px;
  text-align: center;
  color: #3a150f;
  background: linear-gradient(90deg, #deb55f, #ffe49c, #d09a3e);
  border: 1px solid #8b4d18;
  box-shadow: 0 7px 18px rgba(34,0,0,.4);
}
.hero-caption span { display: block; font-size: 8px; letter-spacing: .2em; }
.hero-caption b { display: block; margin-top: 2px; font: 700 13px Georgia, serif; letter-spacing: .08em; }

.pattern-panel {
  flex: 0 0 auto;
  padding: 13px 0 11px;
  border-top: 1px solid rgba(248,205,113,.32);
  border-bottom: 1px solid rgba(248,205,113,.32);
  background: linear-gradient(90deg, transparent, rgba(46,0,2,.54) 12%, rgba(46,0,2,.54) 88%, transparent);
}

.pattern-heading {
  padding: 0 4px 9px;
  display: flex;
  justify-content: space-between;
  color: rgba(255,231,173,.72);
  font-size: 9px;
  letter-spacing: .16em;
}
.pattern-heading b { color: var(--gold); }

.pattern-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 4px 8px;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}
.pattern-rail::-webkit-scrollbar { display: none; }

.pattern-token {
  position: relative;
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  padding: 0;
  border: 1px solid rgba(242,201,112,.3);
  border-radius: 50%;
  background: rgba(51,0,2,.72);
  cursor: pointer;
  scroll-snap-align: center;
  transition: transform .2s, border-color .2s;
}
.pattern-token canvas { display: block; width: 100%; height: 100%; border-radius: 50%; }
.pattern-token.selected { transform: translateY(-2px) scale(1.08); border-color: #ffe39b; box-shadow: 0 0 0 3px rgba(212,34,39,.7), 0 7px 12px rgba(0,0,0,.28); }
.pattern-token.complete::after { content: "✓"; position: absolute; right: -2px; bottom: -1px; width: 17px; height: 17px; display: grid; place-items: center; border-radius: 50%; color: #651016; background: var(--gold); font-size: 10px; font-weight: 700; }

.selected-pattern {
  display: grid;
  grid-template-columns: 39px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 6px 4px 0;
}
.selected-pattern > div:first-child { height: 32px; display: grid; place-items: center; border-right: 1px solid rgba(248,205,113,.3); color: var(--gold); font: italic 19px Georgia, serif; }
.selected-pattern h2 { margin: 0 0 2px; color: #fff0ca; font: 700 14px Georgia, serif; letter-spacing: .08em; }
.selected-pattern p { margin: 0; color: rgba(255,236,194,.64); font-size: 10px; }
.fold-badge { padding: 6px 8px; border: 1px solid rgba(245,204,116,.4); color: var(--gold); font-size: 9px; font-weight: 700; letter-spacing: .08em; }

.red-button,
.paper-button,
.text-button {
  min-height: 47px;
  border: 0;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: .09em;
}

.red-button {
  padding: 0 18px;
  color: #fff0c5;
  background: linear-gradient(135deg, #d32930, #8d0a12 66%, #64060b);
  border: 1px solid rgba(255,215,127,.4);
  box-shadow: inset 0 0 0 2px rgba(255,225,155,.07), 0 11px 22px rgba(27,0,1,.42);
}
.red-button:disabled { opacity: .38; filter: grayscale(.5); cursor: not-allowed; box-shadow: none; }
.red-button.wide, .paper-button.wide { width: 100%; }
#playButton { flex: 0 0 auto; margin-top: 14px; display: flex; align-items: center; justify-content: space-between; padding: 0 13px 0 22px; }
#playButton b { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid rgba(255,224,153,.5); border-radius: 50%; }

/* Canvas craft screen */
.craft-hud {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 46px 1fr 46px;
  align-items: center;
  gap: 10px;
  text-align: center;
}
.craft-hud span { color: var(--gold); font-size: 9px; font-weight: 700; letter-spacing: .18em; }
.craft-hud h1 { margin: 4px 0 0; font: 700 clamp(20px, 5vw, 28px) Georgia, serif; text-shadow: 0 3px 9px rgba(0,0,0,.5); }

.canvas-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  margin: 9px -12px 8px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

#gameCanvas {
  display: block;
  height: 100%;
  width: auto;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  touch-action: none;
  cursor: crosshair;
  filter: drop-shadow(0 14px 16px rgba(19,0,0,.34));
}

.gesture-hint {
  position: absolute;
  left: 50%;
  bottom: 4.5%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  white-space: nowrap;
  color: #3d140e;
  background: linear-gradient(90deg, #e3ba63, #ffe29a, #d59f41);
  box-shadow: 0 7px 16px rgba(28,0,0,.4);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  pointer-events: none;
  transition: opacity .25s;
}
.gesture-hint i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 rgba(171,15,24,.45); animation: hint-pulse 1.2s infinite; }
.gesture-hint.hidden { opacity: 0; }
@keyframes hint-pulse { 70% { box-shadow: 0 0 0 8px rgba(171,15,24,0); } }

.cut-meter {
  position: absolute;
  top: 4%;
  left: 5%;
  padding: 7px 10px;
  color: var(--gold);
  background: rgba(42,0,1,.72);
  border-left: 2px solid var(--gold);
  box-shadow: 0 5px 12px rgba(0,0,0,.23);
}
.cut-meter span { display: block; font-size: 8px; letter-spacing: .18em; }
.cut-meter b { font: 700 15px Georgia, serif; }
.cut-meter i { font: inherit; }

.craft-footer {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: 104px 1fr 104px;
  gap: 10px;
  align-items: center;
}
.paper-button { padding: 0 11px; color: #50150f; background: linear-gradient(#fff0cd,#dfbc78); border: 1px solid #9b632a; box-shadow: 0 7px 15px rgba(27,0,1,.3); font-size: 10px; }
.paper-button:disabled { opacity: .35; cursor: not-allowed; }
.progress-track { height: 4px; background: rgba(255,230,170,.2); overflow: hidden; }
.progress-track i { display: block; width: 0; height: 100%; background: linear-gradient(90deg,#c31d25,#ffe08c); box-shadow: 0 0 8px #ffc750; transition: width .35s ease; }

/* Result */
.result-screen { text-align: center; }
.result-copy { flex: 0 0 auto; }
.result-copy > span { color: var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .24em; }
.result-copy h1 { margin: 7px 0 5px; font: 700 clamp(30px, 8vw, 45px) Georgia, serif; text-shadow: 0 4px 12px rgba(0,0,0,.55); }
.result-copy p { margin: 0 auto; max-width: 410px; color: rgba(255,240,204,.76); font: italic 14px Georgia, serif; }
.result-art { position: relative; flex: 1 1 auto; min-height: 250px; display: grid; place-items: center; overflow: hidden; }
.result-art::before { content: ""; position: absolute; width: min(75vw,470px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle,rgba(255,222,133,.28),rgba(255,173,50,.04) 58%,transparent 72%); filter: blur(8px); }
#resultCanvas { position: relative; z-index: 1; display: block; width: min(89%,520px); height: auto; aspect-ratio: 1; filter: drop-shadow(0 18px 20px rgba(24,0,1,.52)); }
.result-panel { flex: 0 0 auto; padding-top: 12px; border-top: 1px solid rgba(247,205,115,.4); background: linear-gradient(90deg,transparent,rgba(48,0,2,.58) 11%,rgba(48,0,2,.58) 89%,transparent); }
.score-row { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 9px; margin-bottom: 11px; text-align: left; }
.score-row span { color: rgba(255,232,181,.64); font-size: 9px; letter-spacing: .14em; }
.score-row strong { color: var(--gold); font: 700 30px Georgia, serif; }
.score-row b { color: #fff0c8; font-size: 10px; letter-spacing: .13em; }
.result-actions { display: grid; grid-template-columns: repeat(4,1fr); gap: 6px; }
.result-actions button { min-width: 0; font-size: 9px; padding: 0 5px; }
.result-message { min-height: 18px; margin: 8px 0 0; color: rgba(255,233,184,.75); font-size: 10px; }

.modal-layer,
.loading-screen {
  position: absolute;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(28,0,1,.78);
  backdrop-filter: blur(7px);
}
.modal-layer[hidden] { display: none; }
.paper-modal { width: min(82%,390px); padding: 34px 28px; color: var(--ink); background: linear-gradient(135deg,#fff1cf,#dfbd79); border: 2px solid #c18a3e; box-shadow: 0 24px 55px rgba(0,0,0,.55), inset 0 0 45px rgba(130,69,24,.09); text-align: center; }
.paper-modal > span { color: #a0121b; font-size: 9px; font-weight: 700; letter-spacing: .23em; }
.paper-modal h2 { margin: 8px 0 25px; font: 700 31px Georgia,serif; }
.paper-modal button + button { margin-top: 9px; }
.text-button { color: #7c3627; background: transparent; font-size: 10px; }

.share-layer {
  padding: calc(28px + var(--safe-top)) calc(20px + var(--safe-right)) calc(24px + var(--safe-bottom)) calc(20px + var(--safe-left));
}
.share-modal {
  width: min(88%, 420px);
  max-height: 100%;
  padding: 24px 22px 18px;
  overflow-y: auto;
  color: var(--ink);
  background: linear-gradient(145deg, #fff3d5, #dcb36a);
  border: 2px solid #c58a39;
  box-shadow: 0 25px 60px rgba(0,0,0,.62), inset 0 0 50px rgba(126,62,20,.08);
  text-align: center;
}
.share-modal > span { color: #a0121b; font-size: 10px; font-weight: 700; letter-spacing: .2em; }
.share-modal h2 { margin: 6px 0 13px; font: 700 29px Georgia, serif; }
.share-preview-image {
  display: block;
  width: min(100%, 270px);
  height: auto;
  aspect-ratio: 4 / 5;
  margin: 0 auto;
  object-fit: contain;
  background: #6f090d;
  border: 2px solid #b87828;
  box-shadow: 0 13px 24px rgba(64,18,7,.28);
  -webkit-touch-callout: default;
  user-select: auto;
}
.share-modal p { margin: 11px auto 13px; max-width: 310px; color: #754332; font: italic 13px/1.4 Georgia, serif; }
.share-modal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.share-modal-actions button { min-width: 0; }
.share-modal > .text-button { width: 100%; min-height: 38px; margin-top: 4px; }

.loading-screen { z-index: 30; align-content: center; gap: 20px; color: var(--gold); background: #65080c; transition: opacity .5s; }
.loading-screen.done { opacity: 0; pointer-events: none; }
.loading-seal { width: 72px; height: 72px; font-size: 42px; animation: loading-turn 1.8s ease-in-out infinite; }
@keyframes loading-turn { 50% { transform: rotate(4deg) scale(1.06); } }
.loading-screen p { margin: 0; font-size: 10px; letter-spacing: .23em; }
.loading-screen > i { display: block; width: 160px; height: 3px; background: rgba(255,225,154,.18); overflow: hidden; }
.loading-screen > i b { display: block; width: 0; height: 100%; background: var(--gold); transition: width .28s; }

@media (min-width: 681px) {
  .screen { padding-left: 40px; padding-right: 40px; }
  .pattern-token { flex-basis: 64px; width: 64px; height: 64px; }
}

@media (max-height: 650px) {
  .screen { padding-top: calc(20px + var(--safe-top)); padding-bottom: calc(16px + var(--safe-bottom)); }
  .home-header { min-height: 54px; }
  .seal-mark { width: 42px; height: 42px; font-size: 25px; }
  .hero-art { min-height: 175px; }
  .hero-art img { width: min(49vh,300px); }
  .hero-caption { bottom: 1%; }
  .pattern-token { flex-basis: 50px; width: 50px; height: 50px; }
  .pattern-panel { padding-top: 8px; padding-bottom: 7px; }
  #playButton { margin-top: 8px; min-height: 43px; }
  .craft-hud h1 { font-size: 20px; }
  .craft-footer button { min-height: 40px; }
  .result-art { min-height: 225px; }
  .share-modal { padding-top: 16px; }
  .share-modal h2 { margin-bottom: 8px; font-size: 24px; }
  .share-preview-image { width: min(100%, 205px); }
  .share-modal p { margin: 7px auto 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}